*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

html,body {
    font-family: 'sans-serif 微软雅黑';
    color: #f5f5f5;
    overflow-x: hidden;
    background-color: #0d121c;
}

.f-12{font-size: 12px !important;}
.f-14{font-size: 14px !important;}
.f-16{font-size: 16px !important;}
.f-18{font-size: 18px !important;}

.m-l-5{
    margin-left: 5px;
}
.m-l-10{
    margin-left: 10px;
}
.m-l-15{
    margin-left: 15px;
}
.m-l-20{
    margin-left: 20px;
}

.m-l-30{
    margin-left: 30px;
}
.m-t-5{margin-top: 5px !important;}
.m-t-10{margin-top: 10px !important;}
.m-t-15{margin-top: 15px !important;}
.m-t-20{margin-top: 20px !important;}
.m-t-30{margin-top: 30px !important;}


.color-f5f5f5{color: #f5f5f5;}
.color-fff{color: #ffff;}

.relative{position: relative;}

.h-100{height: 100%;}

.text-center{
    text-align: center;
}

.overflow{
    overflow:hidden;
}

.pull-left{float: left;}
.pull-right{float: right;}

.flex{
    display: flex;
}
.flex-1{
    flex: 1;
}

.flex-column{
    display: flex;
    flex-direction: column;
}